Commit a44abaca authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

modpost: move *.mod.c generation to write_mod_c_files()



A later commit will add more code to this list_for_each_entry loop.

Before that, move the loop body into a separate helper function.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
Reviewed-by: default avatarNicolas Schier <nicolas@fjasle.eu>
Tested-by: default avatarNathan Chancellor <nathan@kernel.org>
parent 7fedac96
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+31 −25
Original line number Diff line number Diff line
@@ -2390,6 +2390,34 @@ static void write_if_changed(struct buffer *b, const char *fname)
	write_buf(b, fname);
}

/* do sanity checks, and generate *.mod.c file */
static void write_mod_c_file(struct module *mod)
{
	struct buffer buf = { };
	char fname[PATH_MAX];
	int ret;

	check_modname_len(mod);
	check_exports(mod);

	add_header(&buf, mod);
	add_versions(&buf, mod);
	add_depends(&buf, mod);
	add_moddevtable(&buf, mod);
	add_srcversion(&buf, mod);

	ret = snprintf(fname, sizeof(fname), "%s.mod.c", mod->name);
	if (ret >= sizeof(fname)) {
		error("%s: too long path was truncated\n", fname);
		goto free;
	}

	write_if_changed(&buf, fname);

free:
	free(buf.p);
}

/* parse Module.symvers file. line format:
 * 0x12345678<tab>symbol<tab>module<tab>export<tab>namespace
 **/
@@ -2494,7 +2522,6 @@ struct dump_list {
int main(int argc, char **argv)
{
	struct module *mod;
	struct buffer buf = { };
	char *missing_namespace_deps = NULL;
	char *dump_write = NULL, *files_source = NULL;
	int opt;
@@ -2557,30 +2584,11 @@ int main(int argc, char **argv)
		read_symbols_from_files(files_source);

	list_for_each_entry(mod, &modules, list) {
		char fname[PATH_MAX];
		int ret;

		if (mod->is_vmlinux || mod->from_dump)
			continue;

		buf.pos = 0;

		check_modname_len(mod);
		check_exports(mod);

		add_header(&buf, mod);
		add_versions(&buf, mod);
		add_depends(&buf, mod);
		add_moddevtable(&buf, mod);
		add_srcversion(&buf, mod);

		ret = snprintf(fname, sizeof(fname), "%s.mod.c", mod->name);
		if (ret >= sizeof(fname)) {
			error("%s: too long path was truncated\n", fname);
		if (mod->from_dump)
			continue;
		}

		write_if_changed(&buf, fname);
		if (!mod->is_vmlinux)
			write_mod_c_file(mod);
	}

	if (missing_namespace_deps)
@@ -2606,7 +2614,5 @@ int main(int argc, char **argv)
		warn("suppressed %u unresolved symbol warnings because there were too many)\n",
		     nr_unresolved - MAX_UNRESOLVED_REPORTS);

	free(buf.p);

	return error_occurred ? 1 : 0;
}